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CM6400 ROM Pinouts or Datasheet?

Does anyone have pinout or datasheet information on this mask programmable ROM? I ve googled and such but no joy. This is the ROM used in some variant of the

Message 1 of 1
, Jun 1, 2008

Does anyone have pinout or datasheet information on this mask programmable
ROM? I've googled and such but no joy.

This is the ROM used in some variant of the MSI/88e. I'm able to read it
well enough taken out of the circuit but I'm not confident enough about some
of the control signals to adapt my eeprom (a 28C64).

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